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intercalate

[in-tur-kuh-leyt]
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verb (used with object), in·ter·ca·lat·ed, in·ter·ca·lat·ing.
  1. to interpolate; interpose.
  2. to insert (an extra day, month, etc.) in the calendar.
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Origin of intercalate

1605–15; < Latin intercalātus past participle of intercalāre to insert a day or month into the calendar, equivalent to inter- inter- + calā- (stem of calāre to proclaim) + -tus past participle suffix
Related formsin·ter·ca·la·tive, adjectiveun·in·ter·ca·lat·ed, adjective

Synonyms

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

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Examples from the Web for intercalate

Historical Examples

  • To prevent this it was customary at regular intervals to intercalate days or months.

    History of Astronomy

    George Forbes

  • The present appears the fittest place in which to intercalate remarks concerning them.

    Luck or Cunning

    Samuel Butler

  • So far it would suffice, in accounting for the facts, to intercalate between A and B a few terms, which would remain discrete.

  • The rule was to intercalate a day in every fourth year (quarto quoque anno).


British Dictionary definitions for intercalate

intercalate

verb (tr)
  1. to insert (one or more days) into the calendar
  2. to interpolate or insert
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Derived Formsintercalation, nounintercalative, adjective

Word Origin

C17: from Latin intercalāre to insert, proclaim that a day has been inserted, from inter- + calāre to proclaim
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for intercalate

v.

"to insert a day into the calendar," 1610s, from Latin intercalatus, past participle of intercalare "to proclaim the insertion of an intercalary day," from inter- "between" (see inter-) + calare (see calendar). Related: Intercalated; intercalating.

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Online Etymology Dictionary, © 2010 Douglas Harper